New USPS Rates as of Oct 5, 2025

Starting on October 5th 2025, USPS rolled out new holiday-season pricing for most service levels.

We're committed to keeping your shipping costs down & you can continue to enjoy great savings on all flat-rate packages, despite the price changes. Stay savvy and keep shipping smart with Stampnik!

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Buy labels in bulk
For CSV formatting, download a sample CSV file or Export CSV from a prior order. More bulk order FAQs

Step 1
Select 'From' Address, Service, and Package
Step 2
Upload CSV with 'To' Addresses
Step 3
Review Labels

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From

Packages contain a Lithium battery

USPS Service Priority Express Ground Advantage NEW Media Mail

I have read and agree to Stampnik’s Terms of Service, Refund Policy, and Privacy Policy. I also agree that my package is rectangular and I'm not shipping anything live, liquid, perishable, hazardous, pressurized, illegal or otherwise in violation of USPS restrictions

Package Flat-rate My Own Packaging

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Flat-rate packages require Priority or Express service.

Flat-rate Weight Limit

box - 70 pounds | envelope - 4 pounds

Upload your CSV file

For example formatting, please download our sample CSV file.
Note: Only US addresses are currently supported.

Add All Validated Labels to Cart We found these addresses

Name	Address	Note		Price

NOTE Bulk orders don't work particularly well on mobile devices.
Please let us know if there's anything broken or missing.